CN204103807U - The variable resistance structure of Liquid Variable-resistance starting speed regulator - Google Patents
The variable resistance structure of Liquid Variable-resistance starting speed regulator Download PDFInfo
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- CN204103807U CN204103807U CN201420570491.9U CN201420570491U CN204103807U CN 204103807 U CN204103807 U CN 204103807U CN 201420570491 U CN201420570491 U CN 201420570491U CN 204103807 U CN204103807 U CN 204103807U
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- water tank
- electrode bar
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Abstract
The utility model discloses a kind of variable resistance structure of Liquid Variable-resistance starting speed regulator, comprising: water tank, as water resistance; Three pairs of electrode bars, connect water resistance, can export three resistance values; Electrode bar lifting structure, can control a movement in often pair of electrode bar simultaneously, thus changes water resistance; The tank lid of water tank is provided with to insert and states the hole of electrode bar, the sealing ring be enclosed within outside electrode bar, sealing ring is fixed on the case of tank lid inner face.The surrounding of tank lid inner face is provided with projection, and correspondingly, tank top is provided with cavity, the sealing ring of the built-in band groove of this cavity, and projection inserts the groove of sealing ring, water tank and tank lid can be sealed.Water tank is divided into three ponds by two pieces of dividing plates, and the bottom of dividing plate has the water channel in connection three ponds.The utility model has and prevents current from losing, safeguards the beneficial effect that simple and convenient, maintenance period extends.
Description
Technical field
The utility model relates to a kind of variable resistance structure of Liquid Variable-resistance starting speed regulator, belongs to electric motor starting field.
Background technology
Liquid Variable-resistance starting speed regulator is used for the starting of motor, and we know, during electric motor starting, starting current is very large, and the efficiency that big current now produces is very low, therefore, waste of energy is very large, and in order to solve this technical problem, one of common scheme is serial connection variable resistance, Limited Current, by variable resistance, progressively improves the rotating speed of motor, finally reach energy-conservation object, said variable resistance, normally use water as resistance, be inserted in water by electrode again, traveling electrode obtains variable resistance.In prior art, the water capacity in water tank easily heats up evaporation, along with water level decreasing, needs constantly to supplement to add water.
In prior art, the simplest water level instruction, is realized by external transparent water pipe, but the method, need in water tank bottom perforate, add the possibility of seepage, we know as this heavy current installation, and this is not preferred scheme, so, prior art does not establish water level to indicate, but in real product, has water level to indicate and be obviously better than not having water level to indicate.
The utility model is exactly arrange water level instruction when water tank not perforate.
Also comprise buffer tank, the adjacent water tank of this buffer tank is arranged, the built-in water pump of buffer tank, and the water of buffer tank can be injected water tank by the entrance of water tank upper by water pump.Only have a common plate to isolate between water tank and adjacent water tank, buffer tank and water tank are independently, only just can send water by water pump between the two.It should be noted that, both are merged, namely remove dividing plate and form large water tank, its effect is different, after water evaporation in large water tank, water level decreasing, can have influence on the stroke of electrode bar, and adopt the mode of buffer tank, although water also can evaporate, the water level in water tank can supplement, minimizing be the water of buffer tank, therefore, the stroke of electrode bar is not affected.
Only have a common plate to isolate between water tank and adjacent water tank, buffer tank can absorb the heat of water tank, reduces evaporation of water.To obtain preferably heat-transfer effect.Common plate preferably selects Heat Conduction Material, such as metallic plate or heat-conducting plastic etc.
In order to automatic control, also comprise magnetic material and tongue tube, magnetic material is arranged on described buoy, tongue tube is arranged in the sealed tube of non-magnet material, sealed tube is fixed on the madial wall of described water tank, and tongue tube is connected in water pump circuit, when cistern water level declines, tongue tube is triggered closed by magnetic material, pump working.
As preferably, described electrode bar lifting structure comprises:
Screw rod, two ends are fixed in frame respectively by upper bearing (metal) and lower bearing;
Nut, coordinates with screw rod;
Insulating frame, fixes with nut;
Battery lead plate, fixes with in described often pair of electrode bar;
Another root in often pair of electrode bar, is fixed in frame by insulation board;
Guide rail, is provided with two, is fixed in frame, can guarantee that the two ends of insulating frame are moved on guide rail;
Belt pulley, is fixed on the top of screw rod, and belt pulley is through driving-belt and rack-mounted motor linkage, and electric machine rotation, drive bolt rotary, nut moves up and down, and drives in often pair of electrode bar one to move up and down.
In order to can to screw rod frame oil, described screw tip offers the oil pocket of splendid attire oil, screw rod top offers the oilhole be communicated with oil pocket, also comprise swing arm, one end and the screw rod of this swing arm are hinged, the other end is provided with sealing block, swing arm under gravity, naturally droop, sealing block can seal oilhole, and during bolt rotary, swing arm is opened oilhole under the influence of centrifugal force and drained the oil.In order to increase centrifugal force, screw rod can select fine thread, and rotating speed can improve.The effect of this technical scheme is, can produce intermittent oiling, and oiling can be synchronous with bolt rotary, simplified apparatus; reduce friction, particularly when Water in Water Tank evaporates serious, corrosion protection can also be implemented to screw rod; it should be noted that, in order to reduce costs, screw rod and nut select ferrous material.
In addition, the part that swing arm is relevant can select two covers, or only selects a set of.
The utility model has and prevents current from losing, safeguards the beneficial effect that simple and convenient, maintenance period extends.
Utility model content
The utility model, according to above not enough, provide a kind of variable resistance structure of Liquid Variable-resistance starting speed regulator, is provided with hermetically-sealed construction, can reduce current and lose.
The technical solution of the utility model is:
A variable resistance structure for Liquid Variable-resistance starting speed regulator, comprising:
Water tank, as water resistance;
Three pairs of electrode bars, connect water resistance, can export three resistance values;
Electrode bar lifting structure, can control a movement in often pair of electrode bar simultaneously, thus changes water resistance;
Three pairs of electrode bars are connected with three phase electric machine respectively, and during for pressure regulation, water resistance has pressure drop, and at the initial stage of electric motor starting, the pressure drop on water resistance is also higher, and simultaneously electric current is huge, and water can heat up, evaporation etc.
The tank lid of described water tank is provided with the hole of inserting described electrode bar, the sealing ring be enclosed within outside electrode bar, sealing ring is fixed on the case of tank lid inner face.This technical scheme has three objects, first, anti-sealing evaporates from the gap, hole of electrode bar periphery, the second, to electrode bar location, the 3rd, when electrode bar is toward pull-up, water on electrode bar can be scraped and get back in water tank, anti-sealing is brought out, and has influence on the electrical property of other electrical equipment in Electric Appliance Cabinet after evaporation.It should be noted that, when the sealing effectiveness of sealing ring is fine, pore can be set out in tank lid, prevent water tank vacuum, affect the movement of electrode bar.
In order to sealing radiator further, the surrounding of described tank lid inner face is provided with projection, and correspondingly, tank top is provided with cavity, the sealing ring of the built-in band groove of this cavity, and projection inserts the groove of sealing ring, water tank and tank lid can be sealed.
In order to the impact between reducing mutually, as preferably, described water tank is divided into three ponds by two pieces of dividing plates, and the bottom of dividing plate has the water channel in connection three ponds.
Also comprise:
Reference column, is provided with two, is fixed in water tank;
Buoy, is set on reference column, can move up and down with water level;
Flexible bar, the slot of partial insertion tank lid inner face, an end points and buoy are fixed, and along with moving up and down of buoy, water level vertically can be changed convert level change to by flexible bar.Flexible bar, can select the good material of the toughness such as polypropylene, tank lid can select transparent material, and be close to tank lid due to flexible bar and move, vision does not affect by water smoke.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the partial top view of Fig. 1.
Fig. 3 is the structural representation that the flexible bar of the utility model is relevant.
Fig. 4 is the structural representation that the utility model tank seal is relevant.
Embodiment
Now by reference to the accompanying drawings the utility model is further described:
As shown in the figure, water tank 11, as water resistance;
Three pairs of electrode bars 23, connect water resistance, can export three resistance values;
Electrode bar lifting structure, can control a movement in often pair of electrode bar 23 simultaneously, thus changes water resistance;
Tank lid 14 is provided with the hole of electrode insertion rod 23, the sealing ring 142 be enclosed within outside electrode bar 23, sealing ring 142 is fixed on the case 141 of tank lid 14 inner face.
The surrounding of tank lid 14 inner face is provided with projection 143, and correspondingly, water tank 11 top is provided with cavity, the sealing ring 111 of the built-in band groove of this cavity, and projection 143 inserts the groove of sealing ring 111, water tank 11 and tank lid 14 can be sealed.
Water tank 13 is divided into three ponds by two pieces of dividing plates 12, and the bottom of dividing plate 12 has the water channel in connection three ponds.
Also comprise:
Reference column 55, is provided with two, is fixed in water tank 11;
Buoy 54, is set on reference column 55, can moves up and down with water level;
Flexible bar 57, slot 141, end points and the buoy 54 of partial insertion tank lid 14 inner face are fixed, and along with moving up and down of buoy 54, water level vertically can be changed convert level change to by flexible bar 57.
Also comprise buffer tank 13, the adjacent water tank 11 of this buffer tank 13 is arranged, only have a common plate to isolate between water tank 13 and adjacent water tank 11, the built-in water pump 56 of buffer tank 13, the water of buffer tank 13 can be injected water tank 13 by the entrance on water tank 13 top by water pump 56.
Also comprise magnetic material 53 and tongue tube 52, magnetic material 53 is arranged on buoy 54, tongue tube 52 is arranged in the sealed tube 51 of non-magnet material, sealed tube 51 is fixed on the madial wall of described water tank 11, tongue tube 52 is connected in water pump 56 circuit, when water tank 11 water level decreasing, tongue tube 52 is triggered closed by magnetic material 53, and water pump 56 works.
Electrode bar lifting structure comprises:
Screw rod 42, two ends are fixed in frame respectively by upper bearing (metal) 44 and lower bearing 46;
Nut 45, coordinates with screw rod 42;
Insulating frame 21, fixes with nut 45;
Battery lead plate 22, fixes with in described often pair of electrode bar 23;
Another root in often pair of electrode bar 23, is fixed in frame by insulation board;
Guide rail 31, is provided with two, is fixed in frame, can guarantee that the two ends of insulating frame 21 are moved on guide rail 31;
Belt pulley 41, is fixed on the top of screw rod 42, and belt pulley 41 is through driving-belt and rack-mounted motor linkage, and electric machine rotation, drive screw rod 42 to rotate, nut 45 moves up and down, and drives in often pair of electrode bar 23 one to move up and down.
Screw rod 42 top offers the oil pocket 43 of splendid attire oil, screw rod 42 top offers the oilhole 45 be communicated with oil pocket 43, also comprise symmetrically arranged two swing arms 46, one end and the screw rod 42 of this swing arm 46 are hinged, the other end is provided with sealing block, swing arm 46 under gravity, naturally droops, and sealing block can seal oilhole 45, when screw rod 42 rotates, swing arm 46 is opened oilhole 45 under the influence of centrifugal force and is drained the oil.This oil pocket 43 also directly can connect oil can.When oilhole 45 is drained the oil, as long as can oil seepage.
Claims (3)
1. a variable resistance structure for Liquid Variable-resistance starting speed regulator, comprising:
Water tank (11), as water resistance;
Three pairs of electrode bars (23), connect water resistance, can export three resistance values;
Electrode bar lifting structure, can control a movement in often pair of electrode bar (23) simultaneously, thus changes water resistance;
It is characterized in that, the tank lid (14) of water tank (11) is provided with the hole of inserting described electrode bar (23), the case (141) being enclosed within electrode bar (23) sealing ring outward (142), sealing ring (142) being fixed on tank lid (14) inner face.
2. the variable resistance structure of a kind of Liquid Variable-resistance starting speed regulator as claimed in claim 1, it is characterized in that, the surrounding of described tank lid (14) inner face is provided with projection (143), correspondingly, water tank (11) top is provided with cavity, the sealing ring (111) of the built-in band groove of this cavity, projection (143) inserts the groove of sealing ring (111), water tank (11) and tank lid (14) can be sealed.
3. the variable resistance structure of a kind of Liquid Variable-resistance starting speed regulator as claimed in claim 1 or 2, is characterized in that, described water tank (13) is divided into three ponds by two pieces of dividing plates (12), and the bottom of dividing plate (12) has the water channel in connection three ponds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420570491.9U CN204103807U (en) | 2014-09-29 | 2014-09-29 | The variable resistance structure of Liquid Variable-resistance starting speed regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420570491.9U CN204103807U (en) | 2014-09-29 | 2014-09-29 | The variable resistance structure of Liquid Variable-resistance starting speed regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204103807U true CN204103807U (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420570491.9U Expired - Fee Related CN204103807U (en) | 2014-09-29 | 2014-09-29 | The variable resistance structure of Liquid Variable-resistance starting speed regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204103807U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106935346A (en) * | 2016-07-26 | 2017-07-07 | 成都灯岛科技有限公司 | A kind of linear sliding potentiometer |
| CN106941035A (en) * | 2016-07-26 | 2017-07-11 | 成都灯岛科技有限公司 | A kind of Novel potentiometer |
-
2014
- 2014-09-29 CN CN201420570491.9U patent/CN204103807U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106935346A (en) * | 2016-07-26 | 2017-07-07 | 成都灯岛科技有限公司 | A kind of linear sliding potentiometer |
| CN106941035A (en) * | 2016-07-26 | 2017-07-11 | 成都灯岛科技有限公司 | A kind of Novel potentiometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20150929 |
|
| EXPY | Termination of patent right or utility model |